Home / 275,078,078.27-412,529,577.20-90,811,245.08

Finding the Fourth Proportional to 275,078,078.27, 412,529,577.20 and 90,811,245.08

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Solution

The fourth proportional to 275,078,078.27, 412,529,577.20 and 90,811,245.08 is: 136,187,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,078,078.27 : 412,529,577.20 = 90,811,245.08 : x
  2. Step 2: Convert to fraction form
    275,078,078.27/412,529,577.20 = 90,811,245.08/x
  3. Step 3: Cross multiply
    275,078,078.27x = 412,529,577.20 × 90,811,245.08
  4. Step 4: Simplify right side
    275,078,078.27x = 37,462,324,537,403,920
  5. Step 5: Solve for x
    x = 37,462,324,537,403,920/275,078,078.27
  6. Step 6: Final answer
    x = 136,187,968.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.